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## -----------------------------------------------------------------------
##
## Copyright 2007 H. Peter Anvin - All Rights Reserved
##
## This program is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation, Inc., 53 Temple Place Ste 330,
## Boston MA 02111-1307, USA; either version 2 of the License, or
## (at your option) any later version; incorporated herein by reference.
##
## -----------------------------------------------------------------------
#
# Makefile for MBR
#
gcc_ok = $(shell if gcc $(1) -c -x c /dev/null -o /dev/null 2>/dev/null; \
then echo $(1); else echo $(2); fi)
M32 := $(call gcc_ok,-m32,) $(call gcc_ok,-ffreestanding,) $(call gcc_ok,-fno-stack-protector)
CC = gcc
LD = ld -m elf_i386
SFLAGS = $(M32) -march=i386
OBJCOPY = objcopy
PERL = perl
.SUFFIXES: .S .s .o .elf
all: mbr.bin
.PRECIOUS: %.o
%.o: %.S
$(CC) $(SFLAGS) -Wa,-a=$*.lst -c -o $@ $<
mbr.elf: mbr.o mbr.ld
$(LD) -T mbr.ld -e _start -o $@ $<
mbr.bin: mbr.elf checksize.pl
$(OBJCOPY) -O binary $< $@
$(PERL) checksize.pl mbr.bin 440
tidy:
rm -f *.o *.elf *.lst
clean: tidy
rm -f *.bin
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